Science

Sunday, 9 November 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Silver
Silver does not react with clean air and water.
However, it becomes dull upon contact with ozone, hydrogen sulfide, and air polluted with sulfur compounds. Silver halides slowly decompose when exposed to light.
Nicotine
Nicotine is well absorbed through the skin.
This fact is used in the fight against smoking addiction by using patches soaked in it. There are ca ...
Enceladus
The results of the study of data provided by the Cosmic Dust Analyzer spectrometer on board the Cassini spacecraft showed that among the material fired by Enceladus' geysers, there are organic compounds that create amino acids.
Brain
The brain requires constant supplementation with oxygen.
Cut off from oxygen, brain cells start dying after about 5 minutes.
Anorexia Nervosa
According to the International Classification of Diseases ICD-10, there are several diagnostic criteria for anorexia.
Weight loss, leading to body weight at least 15 percent below normal for a given age and height Avo ...
Anorexia Nervosa
The earliest medical descriptions of the disease are attributed to English physician Richard Morton in 1689.
However, it was not until the late 19th century that mental anorexia nervosa was widely accepted by ...
Amber
Amber often contains remains of insects, crustaceans, spiders, as well as plants.
The genetic material of organisms trapped within the amber is dissolved, so there is no possibility of recreating millennia-old creatures, such as dinosaurs, plainly out of the remnants from amber.
Cosmos
The Solar System is located in the Milky Way.
Our galaxy ranks rather average, its diameter is 100 to 120 thousand light years. Perhaps a unique f ...
Snow
There are various snow events of varying duration and intensity, such as snow flurries, snow showers, snow squalls, blowing snow, and blizzards.
Snow flurries are minor snowfalls that cause light dusting or no snow accumulation.During snow showe ...
Large Magellanic Cloud
The galaxy appears in many films, anime, and computer games.